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HTSUS USA Import Duty Free
HTSUS Code
7002.31.00.00

HTSUS 7002.31.00.00 — Of fused quartz or other fused silica

Chapter 70 Heading 7002

Duty Rates

General (Col 1)
Free
Special (FTA)
—
Column 2 (Non-NTR)
40%

Export counterparts at HS-6

HS-6 bridge: 700231. Use this to move from import tariff classification to the related US export codes.

Open HS crosswalk
7002310000

TUBES OF FUSED QUARTZ OR OTH FSD SILICA, UNWORKED

Unit of Quantity

[kg]

Official data

Feature Description
Official name Harmonized Tariff Schedule of the United States (HTSUS)
Maintained by U.S. International Trade Commission (USITC)
Purpose Classifies imported goods and applies U.S. tariff treatment
Primary use Customs entry, duty calculation, tariff compliance, import planning
HS-6 root 700231

When do you need HTSUS 7002.31.00.00?

1 Use HTSUS 7002.31.00.00 when entering imported goods into the United States.
2 Use it when calculating duty rates, special program eligibility, or quota treatment for imports.
3 Use it when matching an import tariff line to the related Schedule B export family at HS-6.
4 Use it when customs brokers, trade counsel, or compliance teams need the exact tariff classification.